Home / 5,643.37-8,471.10-4,776.47

Finding the Fourth Proportional to 5,643.37, 8,471.10 and 4,776.47

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Solution

The fourth proportional to 5,643.37, 8,471.10 and 4,776.47 is: 7,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.37 : 8,471.10 = 4,776.47 : x
  2. Step 2: Convert to fraction form
    5,643.37/8,471.10 = 4,776.47/x
  3. Step 3: Cross multiply
    5,643.37x = 8,471.10 × 4,776.47
  4. Step 4: Simplify right side
    5,643.37x = 40,461,955.02
  5. Step 5: Solve for x
    x = 40,461,955.02/5,643.37
  6. Step 6: Final answer
    x = 7,169.82

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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.