Home / 7,225.47-9,970.83-4,038.93

Finding the Fourth Proportional to 7,225.47, 9,970.83 and 4,038.93

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Solution

The fourth proportional to 7,225.47, 9,970.83 and 4,038.93 is: 5,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.47 : 9,970.83 = 4,038.93 : x
  2. Step 2: Convert to fraction form
    7,225.47/9,970.83 = 4,038.93/x
  3. Step 3: Cross multiply
    7,225.47x = 9,970.83 × 4,038.93
  4. Step 4: Simplify right side
    7,225.47x = 40,271,484.41
  5. Step 5: Solve for x
    x = 40,271,484.41/7,225.47
  6. Step 6: Final answer
    x = 5,573.55

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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.