Home / 2,915.23-4,023.01-1,588.93

Finding the Fourth Proportional to 2,915.23, 4,023.01 and 1,588.93

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Solution

The fourth proportional to 2,915.23, 4,023.01 and 1,588.93 is: 2,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.23 : 4,023.01 = 1,588.93 : x
  2. Step 2: Convert to fraction form
    2,915.23/4,023.01 = 1,588.93/x
  3. Step 3: Cross multiply
    2,915.23x = 4,023.01 × 1,588.93
  4. Step 4: Simplify right side
    2,915.23x = 6,392,281.28
  5. Step 5: Solve for x
    x = 6,392,281.28/2,915.23
  6. Step 6: Final answer
    x = 2,192.72

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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.