Home / 6,557.08-9,040.56-4,457.56

Finding the Fourth Proportional to 6,557.08, 9,040.56 and 4,457.56

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Solution

The fourth proportional to 6,557.08, 9,040.56 and 4,457.56 is: 6,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557.08 : 9,040.56 = 4,457.56 : x
  2. Step 2: Convert to fraction form
    6,557.08/9,040.56 = 4,457.56/x
  3. Step 3: Cross multiply
    6,557.08x = 9,040.56 × 4,457.56
  4. Step 4: Simplify right side
    6,557.08x = 40,298,838.63
  5. Step 5: Solve for x
    x = 40,298,838.63/6,557.08
  6. Step 6: Final answer
    x = 6,145.85

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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.