Home / 7,031.49-9,703.47-4,047.26

Finding the Fourth Proportional to 7,031.49, 9,703.47 and 4,047.26

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Solution

The fourth proportional to 7,031.49, 9,703.47 and 4,047.26 is: 5,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.49 : 9,703.47 = 4,047.26 : x
  2. Step 2: Convert to fraction form
    7,031.49/9,703.47 = 4,047.26/x
  3. Step 3: Cross multiply
    7,031.49x = 9,703.47 × 4,047.26
  4. Step 4: Simplify right side
    7,031.49x = 39,272,445.76
  5. Step 5: Solve for x
    x = 39,272,445.76/7,031.49
  6. Step 6: Final answer
    x = 5,585.23

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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.