Home / 7,030.16-9,701.26-3,885.74

Finding the Fourth Proportional to 7,030.16, 9,701.26 and 3,885.74

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Solution

The fourth proportional to 7,030.16, 9,701.26 and 3,885.74 is: 5,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.16 : 9,701.26 = 3,885.74 : x
  2. Step 2: Convert to fraction form
    7,030.16/9,701.26 = 3,885.74/x
  3. Step 3: Cross multiply
    7,030.16x = 9,701.26 × 3,885.74
  4. Step 4: Simplify right side
    7,030.16x = 37,696,574.03
  5. Step 5: Solve for x
    x = 37,696,574.03/7,030.16
  6. Step 6: Final answer
    x = 5,362.12

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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.