Home / 7,430.79-10,255.54-4,599.07

Finding the Fourth Proportional to 7,430.79, 10,255.54 and 4,599.07

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Solution

The fourth proportional to 7,430.79, 10,255.54 and 4,599.07 is: 6,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.79 : 10,255.54 = 4,599.07 : x
  2. Step 2: Convert to fraction form
    7,430.79/10,255.54 = 4,599.07/x
  3. Step 3: Cross multiply
    7,430.79x = 10,255.54 × 4,599.07
  4. Step 4: Simplify right side
    7,430.79x = 47,165,923.35
  5. Step 5: Solve for x
    x = 47,165,923.35/7,430.79
  6. Step 6: Final answer
    x = 6,347.36

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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.