Home / 5,130.02-7,696.17-1,798.76

Finding the Fourth Proportional to 5,130.02, 7,696.17 and 1,798.76

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Solution

The fourth proportional to 5,130.02, 7,696.17 and 1,798.76 is: 2,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.02 : 7,696.17 = 1,798.76 : x
  2. Step 2: Convert to fraction form
    5,130.02/7,696.17 = 1,798.76/x
  3. Step 3: Cross multiply
    5,130.02x = 7,696.17 × 1,798.76
  4. Step 4: Simplify right side
    5,130.02x = 13,843,524.27
  5. Step 5: Solve for x
    x = 13,843,524.27/5,130.02
  6. Step 6: Final answer
    x = 2,698.53

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Half scale
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Double scale
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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.