Home / 7,888.48-10,885.71-4,351.60

Finding the Fourth Proportional to 7,888.48, 10,885.71 and 4,351.60

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Solution

The fourth proportional to 7,888.48, 10,885.71 and 4,351.60 is: 6,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.48 : 10,885.71 = 4,351.60 : x
  2. Step 2: Convert to fraction form
    7,888.48/10,885.71 = 4,351.60/x
  3. Step 3: Cross multiply
    7,888.48x = 10,885.71 × 4,351.60
  4. Step 4: Simplify right side
    7,888.48x = 47,370,255.64
  5. Step 5: Solve for x
    x = 47,370,255.64/7,888.48
  6. Step 6: Final answer
    x = 6,004.99

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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.