Home / 5,785.95-8,688.75-5,490.03

Finding the Fourth Proportional to 5,785.95, 8,688.75 and 5,490.03

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Solution

The fourth proportional to 5,785.95, 8,688.75 and 5,490.03 is: 8,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.95 : 8,688.75 = 5,490.03 : x
  2. Step 2: Convert to fraction form
    5,785.95/8,688.75 = 5,490.03/x
  3. Step 3: Cross multiply
    5,785.95x = 8,688.75 × 5,490.03
  4. Step 4: Simplify right side
    5,785.95x = 47,701,498.16
  5. Step 5: Solve for x
    x = 47,701,498.16/5,785.95
  6. Step 6: Final answer
    x = 8,244.37

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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.