Home / 5,635.41-7,776.72-3,117.45

Finding the Fourth Proportional to 5,635.41, 7,776.72 and 3,117.45

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Solution

The fourth proportional to 5,635.41, 7,776.72 and 3,117.45 is: 4,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.41 : 7,776.72 = 3,117.45 : x
  2. Step 2: Convert to fraction form
    5,635.41/7,776.72 = 3,117.45/x
  3. Step 3: Cross multiply
    5,635.41x = 7,776.72 × 3,117.45
  4. Step 4: Simplify right side
    5,635.41x = 24,243,535.76
  5. Step 5: Solve for x
    x = 24,243,535.76/5,635.41
  6. Step 6: Final answer
    x = 4,302.00

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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.