Home / 5,476.05-7,557.02-3,118.20

Finding the Fourth Proportional to 5,476.05, 7,557.02 and 3,118.20

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Solution

The fourth proportional to 5,476.05, 7,557.02 and 3,118.20 is: 4,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.05 : 7,557.02 = 3,118.20 : x
  2. Step 2: Convert to fraction form
    5,476.05/7,557.02 = 3,118.20/x
  3. Step 3: Cross multiply
    5,476.05x = 7,557.02 × 3,118.20
  4. Step 4: Simplify right side
    5,476.05x = 23,564,299.76
  5. Step 5: Solve for x
    x = 23,564,299.76/5,476.05
  6. Step 6: Final answer
    x = 4,303.16

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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.