Home / 7,628.07-10,526.40-4,271.02

Finding the Fourth Proportional to 7,628.07, 10,526.40 and 4,271.02

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Solution

The fourth proportional to 7,628.07, 10,526.40 and 4,271.02 is: 5,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.07 : 10,526.40 = 4,271.02 : x
  2. Step 2: Convert to fraction form
    7,628.07/10,526.40 = 4,271.02/x
  3. Step 3: Cross multiply
    7,628.07x = 10,526.40 × 4,271.02
  4. Step 4: Simplify right side
    7,628.07x = 44,958,464.93
  5. Step 5: Solve for x
    x = 44,958,464.93/7,628.07
  6. Step 6: Final answer
    x = 5,893.82

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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.