Home / 1,688.11-2,533.32-592.47

Finding the Fourth Proportional to 1,688.11, 2,533.32 and 592.47

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Solution

The fourth proportional to 1,688.11, 2,533.32 and 592.47 is: 889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.11 : 2,533.32 = 592.47 : x
  2. Step 2: Convert to fraction form
    1,688.11/2,533.32 = 592.47/x
  3. Step 3: Cross multiply
    1,688.11x = 2,533.32 × 592.47
  4. Step 4: Simplify right side
    1,688.11x = 1,500,916.10
  5. Step 5: Solve for x
    x = 1,500,916.10/1,688.11
  6. Step 6: Final answer
    x = 889.11

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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.