Home / 1,569.41-2,166.39-1,177.57

Finding the Fourth Proportional to 1,569.41, 2,166.39 and 1,177.57

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Solution

The fourth proportional to 1,569.41, 2,166.39 and 1,177.57 is: 1,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.41 : 2,166.39 = 1,177.57 : x
  2. Step 2: Convert to fraction form
    1,569.41/2,166.39 = 1,177.57/x
  3. Step 3: Cross multiply
    1,569.41x = 2,166.39 × 1,177.57
  4. Step 4: Simplify right side
    1,569.41x = 2,551,070.46
  5. Step 5: Solve for x
    x = 2,551,070.46/1,569.41
  6. Step 6: Final answer
    x = 1,625.50

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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.