Home / 1,569.47-2,160.92-1,332.92

Finding the Fourth Proportional to 1,569.47, 2,160.92 and 1,332.92

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Solution

The fourth proportional to 1,569.47, 2,160.92 and 1,332.92 is: 1,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.47 : 2,160.92 = 1,332.92 : x
  2. Step 2: Convert to fraction form
    1,569.47/2,160.92 = 1,332.92/x
  3. Step 3: Cross multiply
    1,569.47x = 2,160.92 × 1,332.92
  4. Step 4: Simplify right side
    1,569.47x = 2,880,342.22
  5. Step 5: Solve for x
    x = 2,880,342.22/1,569.47
  6. Step 6: Final answer
    x = 1,835.24

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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.