Home / 5,557.06-7,655.70-3,875.44

Finding the Fourth Proportional to 5,557.06, 7,655.70 and 3,875.44

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Solution

The fourth proportional to 5,557.06, 7,655.70 and 3,875.44 is: 5,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.06 : 7,655.70 = 3,875.44 : x
  2. Step 2: Convert to fraction form
    5,557.06/7,655.70 = 3,875.44/x
  3. Step 3: Cross multiply
    5,557.06x = 7,655.70 × 3,875.44
  4. Step 4: Simplify right side
    5,557.06x = 29,669,206.01
  5. Step 5: Solve for x
    x = 29,669,206.01/5,557.06
  6. Step 6: Final answer
    x = 5,339.01

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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.