Home / 5,315.92-7,973.80-2,392.16

Finding the Fourth Proportional to 5,315.92, 7,973.80 and 2,392.16

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Solution

The fourth proportional to 5,315.92, 7,973.80 and 2,392.16 is: 3,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.92 : 7,973.80 = 2,392.16 : x
  2. Step 2: Convert to fraction form
    5,315.92/7,973.80 = 2,392.16/x
  3. Step 3: Cross multiply
    5,315.92x = 7,973.80 × 2,392.16
  4. Step 4: Simplify right side
    5,315.92x = 19,074,605.41
  5. Step 5: Solve for x
    x = 19,074,605.41/5,315.92
  6. Step 6: Final answer
    x = 3,588.20

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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.