Home / 1,943.19-2,681.23-1,146.77

Finding the Fourth Proportional to 1,943.19, 2,681.23 and 1,146.77

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Solution

The fourth proportional to 1,943.19, 2,681.23 and 1,146.77 is: 1,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.19 : 2,681.23 = 1,146.77 : x
  2. Step 2: Convert to fraction form
    1,943.19/2,681.23 = 1,146.77/x
  3. Step 3: Cross multiply
    1,943.19x = 2,681.23 × 1,146.77
  4. Step 4: Simplify right side
    1,943.19x = 3,074,740.72
  5. Step 5: Solve for x
    x = 3,074,740.72/1,943.19
  6. Step 6: Final answer
    x = 1,582.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,944.19, 2,682.61 and 1,147.77
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.