Home / 2,302.16-3,178.12-1,560.02

Finding the Fourth Proportional to 2,302.16, 3,178.12 and 1,560.02

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Solution

The fourth proportional to 2,302.16, 3,178.12 and 1,560.02 is: 2,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.16 : 3,178.12 = 1,560.02 : x
  2. Step 2: Convert to fraction form
    2,302.16/3,178.12 = 1,560.02/x
  3. Step 3: Cross multiply
    2,302.16x = 3,178.12 × 1,560.02
  4. Step 4: Simplify right side
    2,302.16x = 4,957,930.76
  5. Step 5: Solve for x
    x = 4,957,930.76/2,302.16
  6. Step 6: Final answer
    x = 2,153.60

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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.