Home / 1,056.24-1,582.92-929.52

Finding the Fourth Proportional to 1,056.24, 1,582.92 and 929.52

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Solution

The fourth proportional to 1,056.24, 1,582.92 and 929.52 is: 1,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.24 : 1,582.92 = 929.52 : x
  2. Step 2: Convert to fraction form
    1,056.24/1,582.92 = 929.52/x
  3. Step 3: Cross multiply
    1,056.24x = 1,582.92 × 929.52
  4. Step 4: Simplify right side
    1,056.24x = 1,471,355.80
  5. Step 5: Solve for x
    x = 1,471,355.80/1,056.24
  6. Step 6: Final answer
    x = 1,393.01

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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.