Home / 7,191.65-10,785.49-4,555.24

Finding the Fourth Proportional to 7,191.65, 10,785.49 and 4,555.24

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Solution

The fourth proportional to 7,191.65, 10,785.49 and 4,555.24 is: 6,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.65 : 10,785.49 = 4,555.24 : x
  2. Step 2: Convert to fraction form
    7,191.65/10,785.49 = 4,555.24/x
  3. Step 3: Cross multiply
    7,191.65x = 10,785.49 × 4,555.24
  4. Step 4: Simplify right side
    7,191.65x = 49,130,457.12
  5. Step 5: Solve for x
    x = 49,130,457.12/7,191.65
  6. Step 6: Final answer
    x = 6,831.59

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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.