Home / 5,254.16-7,873.80-2,915.18

Finding the Fourth Proportional to 5,254.16, 7,873.80 and 2,915.18

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Solution

The fourth proportional to 5,254.16, 7,873.80 and 2,915.18 is: 4,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.16 : 7,873.80 = 2,915.18 : x
  2. Step 2: Convert to fraction form
    5,254.16/7,873.80 = 2,915.18/x
  3. Step 3: Cross multiply
    5,254.16x = 7,873.80 × 2,915.18
  4. Step 4: Simplify right side
    5,254.16x = 22,953,544.28
  5. Step 5: Solve for x
    x = 22,953,544.28/5,254.16
  6. Step 6: Final answer
    x = 4,368.64

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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.