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Finding the Fourth Proportional to 4,053.19, 6,079.79 and 975.19

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Solution

The fourth proportional to 4,053.19, 6,079.79 and 975.19 is: 1,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.19 : 6,079.79 = 975.19 : x
  2. Step 2: Convert to fraction form
    4,053.19/6,079.79 = 975.19/x
  3. Step 3: Cross multiply
    4,053.19x = 6,079.79 × 975.19
  4. Step 4: Simplify right side
    4,053.19x = 5,928,945.53
  5. Step 5: Solve for x
    x = 5,928,945.53/4,053.19
  6. Step 6: Final answer
    x = 1,462.79

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,054.19, 6,081.29 and 976.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.