Home / 5,270.02-7,904.40-1,572.22

Finding the Fourth Proportional to 5,270.02, 7,904.40 and 1,572.22

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Solution

The fourth proportional to 5,270.02, 7,904.40 and 1,572.22 is: 2,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.02 : 7,904.40 = 1,572.22 : x
  2. Step 2: Convert to fraction form
    5,270.02/7,904.40 = 1,572.22/x
  3. Step 3: Cross multiply
    5,270.02x = 7,904.40 × 1,572.22
  4. Step 4: Simplify right side
    5,270.02x = 12,427,455.77
  5. Step 5: Solve for x
    x = 12,427,455.77/5,270.02
  6. Step 6: Final answer
    x = 2,358.14

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1.5x scale

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.