Home / 1,560.24-2,152.98-896.58

Finding the Fourth Proportional to 1,560.24, 2,152.98 and 896.58

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Solution

The fourth proportional to 1,560.24, 2,152.98 and 896.58 is: 1,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.24 : 2,152.98 = 896.58 : x
  2. Step 2: Convert to fraction form
    1,560.24/2,152.98 = 896.58/x
  3. Step 3: Cross multiply
    1,560.24x = 2,152.98 × 896.58
  4. Step 4: Simplify right side
    1,560.24x = 1,930,318.81
  5. Step 5: Solve for x
    x = 1,930,318.81/1,560.24
  6. Step 6: Final answer
    x = 1,237.19

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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.