Home / 7,030.78-9,702.90-4,046.53

Finding the Fourth Proportional to 7,030.78, 9,702.90 and 4,046.53

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Solution

The fourth proportional to 7,030.78, 9,702.90 and 4,046.53 is: 5,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.78 : 9,702.90 = 4,046.53 : x
  2. Step 2: Convert to fraction form
    7,030.78/9,702.90 = 4,046.53/x
  3. Step 3: Cross multiply
    7,030.78x = 9,702.90 × 4,046.53
  4. Step 4: Simplify right side
    7,030.78x = 39,263,075.94
  5. Step 5: Solve for x
    x = 39,263,075.94/7,030.78
  6. Step 6: Final answer
    x = 5,584.46

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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.