Home / 4,071.65-5,617.91-2,303.15

Finding the Fourth Proportional to 4,071.65, 5,617.91 and 2,303.15

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Solution

The fourth proportional to 4,071.65, 5,617.91 and 2,303.15 is: 3,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.65 : 5,617.91 = 2,303.15 : x
  2. Step 2: Convert to fraction form
    4,071.65/5,617.91 = 2,303.15/x
  3. Step 3: Cross multiply
    4,071.65x = 5,617.91 × 2,303.15
  4. Step 4: Simplify right side
    4,071.65x = 12,938,877.90
  5. Step 5: Solve for x
    x = 12,938,877.90/4,071.65
  6. Step 6: Final answer
    x = 3,177.80

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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.