Home / 7,030.06-9,700.50-3,886.48

Finding the Fourth Proportional to 7,030.06, 9,700.50 and 3,886.48

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Solution

The fourth proportional to 7,030.06, 9,700.50 and 3,886.48 is: 5,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.06 : 9,700.50 = 3,886.48 : x
  2. Step 2: Convert to fraction form
    7,030.06/9,700.50 = 3,886.48/x
  3. Step 3: Cross multiply
    7,030.06x = 9,700.50 × 3,886.48
  4. Step 4: Simplify right side
    7,030.06x = 37,700,799.24
  5. Step 5: Solve for x
    x = 37,700,799.24/7,030.06
  6. Step 6: Final answer
    x = 5,362.80

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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.