Home / 1,532.17-2,113.05-1,008.10

Finding the Fourth Proportional to 1,532.17, 2,113.05 and 1,008.10

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Solution

The fourth proportional to 1,532.17, 2,113.05 and 1,008.10 is: 1,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.17 : 2,113.05 = 1,008.10 : x
  2. Step 2: Convert to fraction form
    1,532.17/2,113.05 = 1,008.10/x
  3. Step 3: Cross multiply
    1,532.17x = 2,113.05 × 1,008.10
  4. Step 4: Simplify right side
    1,532.17x = 2,130,165.71
  5. Step 5: Solve for x
    x = 2,130,165.71/1,532.17
  6. Step 6: Final answer
    x = 1,390.29

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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.