Home / 5,315.58-7,335.09-3,047.00

Finding the Fourth Proportional to 5,315.58, 7,335.09 and 3,047.00

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Solution

The fourth proportional to 5,315.58, 7,335.09 and 3,047.00 is: 4,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.58 : 7,335.09 = 3,047.00 : x
  2. Step 2: Convert to fraction form
    5,315.58/7,335.09 = 3,047.00/x
  3. Step 3: Cross multiply
    5,315.58x = 7,335.09 × 3,047.00
  4. Step 4: Simplify right side
    5,315.58x = 22,349,982.55
  5. Step 5: Solve for x
    x = 22,349,982.55/5,315.58
  6. Step 6: Final answer
    x = 4,204.62

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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.