Home / 5,459.32-7,544.37-4,130.65

Finding the Fourth Proportional to 5,459.32, 7,544.37 and 4,130.65

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Solution

The fourth proportional to 5,459.32, 7,544.37 and 4,130.65 is: 5,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.32 : 7,544.37 = 4,130.65 : x
  2. Step 2: Convert to fraction form
    5,459.32/7,544.37 = 4,130.65/x
  3. Step 3: Cross multiply
    5,459.32x = 7,544.37 × 4,130.65
  4. Step 4: Simplify right side
    5,459.32x = 31,163,151.94
  5. Step 5: Solve for x
    x = 31,163,151.94/5,459.32
  6. Step 6: Final answer
    x = 5,708.25

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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.